erythrocyte sedimentation rate (ESR), the rate at which red blood cells settle out in a tube of unclotted blood, expressed in millimeters per hour. Blood is collected in an anticoagulant and allowed to form a sediment in a calibrated glass column.
The Butterfly Circus (2009) The Butterfly Circus is the story of a renowned circus troupe traveling through the devastated American landscape at the height of the Great Depression, lifting the spirits of audiences ... See full summary Â».
Butterfly behaviors. The average adult butterfly lives for only two weeks. As adults, butterflies have two basic jobs: to eat and reproduce. When you visit the Butterfly House, take time to notice what the butterflies are doing. On the average day at the Butterfly House, you are likely to see our butterfliesâ¦.